1973 Austin Allegro vs. 2013 Chevrolet Sonic
To start off, 2013 Chevrolet Sonic is newer by 40 year(s). Which means there will be less support and parts availability for 1973 Austin Allegro. In addition, the cost of maintenance, including insurance, on 1973 Austin Allegro would be higher. At 1,800 cc (4 cylinders), 2013 Chevrolet Sonic is equipped with a bigger engine. In terms of performance, 2013 Chevrolet Sonic (134 HP @ 4900 RPM) has 90 more horse power than 1973 Austin Allegro. (44 HP @ 5250 RPM) In normal driving conditions, 2013 Chevrolet Sonic should accelerate faster than 1973 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 2013 Chevrolet Sonic weights approximately 460 kg more than 1973 Austin Allegro. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2013 Chevrolet Sonic (201 Nm @ 2500 RPM) has 127 more torque (in Nm) than 1973 Austin Allegro. (74 Nm @ 2900 RPM). This means 2013 Chevrolet Sonic will have an easier job in driving up hills or pulling heavy equipment than 1973 Austin Allegro.
Compare all specifications:
| 1973 Austin Allegro | 2013 Chevrolet Sonic | |
| Make | Austin | Chevrolet |
| Model | Allegro | Sonic |
| Year Released | 1973 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 1097 cc | 1800 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 44 HP | 134 HP |
| Engine RPM | 5250 RPM | 4900 RPM |
| Torque | 74 Nm | 201 Nm |
| Torque RPM | 2900 RPM | 2500 RPM |
| Engine Bore Size | 64.6 mm | 72 mm |
| Engine Stroke Size | 83.7 mm | 82 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 815 kg | 1275 kg |
| Vehicle Length | 3200 mm | 4039 mm |
| Vehicle Width | 1620 mm | 1735 mm |
| Vehicle Height | 1400 mm | 1506 mm |
| Wheelbase Size | 2450 mm | 2525 mm |
| Fuel Tank Capacity | 48 L | 46 L |
